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Absorption of CO2 from Flue Gas Using Mixed Amine Solution

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Abstract:

The MDEA-PZ binary system and the MDEA-PZ-MEA/DEA/ETA/TETA ternary system were used to absorb CO2 from the simulated flue gas. The experimental results showed that the best performance of the absorption of CO2 was achieved under the mass ratio of MDEA to PZ of 10/4 in the MDEA-PZ binary system. In the MDEA-PZ-MEA/DEA/ETA/TETA ternary system, due to the different molecular structure of the additives, the absorption performance of CO2 was determined as follows: MDEA-PZ-TETA>MDEA-PZ-ETA>MDEA-PZ-MEA>MDEA-PZ-DEA. In the MDEA- PZ- TETA ternary system, the better absorption performance could be reached at the volume ratio of MDEA-PZ to TETA of 1:2. Moreover, it was indicated that there was a weakly negative interaction among MDEA, PZ and TETA.

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Periodical:

Advanced Materials Research (Volumes 781-784)

Pages:

2201-2204

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.781-784.2201

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Online since:

September 2013

Authors:

Mei Jin, Li Yan Zhou, Ping Lu, Guo Xian Yu

Keywords:

Carbon Dioxide, Mixed Amine Solution, N-Methyldiethanolamine, Piperazine, Triethylene Tetramine

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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